Home / 145,332.60-217,998.90-103,342.20

Finding the Fourth Proportional to 145,332.60, 217,998.90 and 103,342.20

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Solution

The fourth proportional to 145,332.60, 217,998.90 and 103,342.20 is: 155,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,332.60 : 217,998.90 = 103,342.20 : x
  2. Step 2: Convert to fraction form
    145,332.60/217,998.90 = 103,342.20/x
  3. Step 3: Cross multiply
    145,332.60x = 217,998.90 × 103,342.20
  4. Step 4: Simplify right side
    145,332.60x = 22,528,485,923.58
  5. Step 5: Solve for x
    x = 22,528,485,923.58/145,332.60
  6. Step 6: Final answer
    x = 155,013.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.